Premature filling of veins on cerebral angiography is a feature of
**Core Concept**
Premature filling of veins on cerebral angiography is a characteristic feature of a specific condition that affects the cerebral vasculature. This phenomenon occurs due to the abnormal communication between arteries and veins, leading to the early opacification of venous structures.
**Why the Correct Answer is Right**
The correct answer is related to the condition known as **arteriovenous malformation (AVM)**. AVM is a congenital disorder characterized by the presence of abnormal connections between arteries and veins, bypassing the capillary bed. This leads to the premature filling of veins on cerebral angiography due to the direct shunting of arterial blood into venous structures. The AVM consists of a nidus, which is the abnormal connection between arteries and veins, and a draining vein that carries the blood away from the nidus.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not describe a condition that is associated with premature filling of veins on cerebral angiography. While it may be related to cerebral vasculature, it is not the correct answer.
**Option B:** This option is incorrect because it does not describe a condition that is associated with premature filling of veins on cerebral angiography. This option may be related to other cerebral conditions, but it is not the correct answer.
**Option C:** This option is incorrect because it does not describe a condition that is associated with premature filling of veins on cerebral angiography. While it may be related to cerebral vasculature, it is not the correct answer.
**Clinical Pearl / High-Yield Fact**
The premature filling of veins on cerebral angiography is a characteristic feature of AVM, which can be visualized using various imaging modalities, including angiography, CT, and MRI. The presence of AVM can lead to neurological symptoms, such as seizures, headaches, and intracranial hemorrhage, due to the abnormal blood flow and increased pressure within the cerebral vasculature.
**Correct Answer:** D.